Blue Opal/Electrics: Difference between revisions

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=== Battery banks ===
=== Battery banks ===
House bank - 2x 105 Ah SLA. Effective 100 Ah.
House bank - 1x 180Ah LiFePo4. Titan. 2024.
Starter - 1x 110 Ah SLA. Effective 50 Ah.
 
Starter - 1x 80 Ah SLA. Effective 40 Ah.
 
=== Alternator ===
BV PSH 80A, Hitachi saddle mount. Sourced from Myles Balfe.  V-belt sheave.
[[File:Img 2122-768x1024.jpg|none|thumb|Part number is 985.001.080.200.]]
[[File:Alternator specifications for Blue Opal.jpg|none|thumb]]


=== Terminal and driver sizes ===
=== Terminal and driver sizes ===
Line 34: Line 40:
|Terminal
|Terminal
|10mm
|10mm
|8mm
|5mm
|-
|-
|
|
Line 40: Line 46:
|Terminal
|Terminal
|10mm
|10mm
|8mm
|-
|
|Negative bus
|Terminal
|14mm
|8mm
|8mm
|}
|}
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Charge and Distribution fuses are MIDI style with spare, Blue Sea 7720.
Charge and Distribution fuses are MIDI style with spare, Blue Sea 7720.


Solar charger fuse is inline automotive.
Solar charger fuse is inline automotive, 5A to the local house bus positive.


{{#mermaid:graph TD;
Solar feed is via a Bulgin Buccaneer connector that terminates to Anderson PowerPole, and solar panel has MC4 <-> MC4 <-> APP.
 
2026-08: Update needed - Solar is MPPT 75/15, connected to bus bars that connect to the lithium house. Bus bar connects to battery +ve, to charge line from DC-DC, and feeds MPPT and Cerbo GX. Negative bus connects to starter negative, house negative, MPPT and Cerbo negative. Renogy replaced with 100W folding panel from Amazon. Feed line for solar in cockpit using Bulgin Buccaneer 10-250V, fed via ferruled wires to MPPT.
 
{{#mermaid:config.theme = neutral |
graph TD;
 
%% ============================================================
%% PORT - LITHIUM BATTERY COMPARTMENT
%% ============================================================
 
subgraph "Port Battery Compartment - Lithium / Solar / Cerbo"
 
  subgraph "Titan LiFePO4 180 Ah (2024)"
    HOUSE_BAT_NEG[-]
    HOUSE_BAT_POS[+]
  end
 
  subgraph "House +ve Busbar"
    HOUSE_LBUS_POS[6x]
  end
 
  subgraph "House -ve Busbar"
    HOUSE_LBUS_NEG[6x]
  end
 
  HOUSE_CHARGE_FUSE(Charge Fuse 70 A)
 
  subgraph "Cerbo GX Mk2"
    CERBO_POS[Power +]
    CERBO_NEG[Power -]
  end
 
  subgraph "SmartSolar MPPT 75/15"
    SOLAR_IN_POS[PV +]
    SOLAR_IN_NEG[PV -]
    SOLAR_OUT_POS[Battery +]
    SOLAR_OUT_NEG[Battery -]
  end


subgraph "House Battery 1"
  HB1_POS[+];
  HB1_NEG[-];
end
end
subgraph "House Battery 2"
 
   HB2_POS[+];
 
   HB2_NEG[-];
%% ============================================================
%% PORT - STARTER BATTERY COMPARTMENT
%% ============================================================
 
subgraph "Port Battery Compartment - Starter / B2B / Switching"
 
  subgraph "Starter Battery (2023)"
    STARTER_BAT_POS[+]
    STARTER_BAT_NEG[-]
  end
 
  subgraph "BB1240 - 12 V B2B"
    BB1240_STARTER[Source]
    BB1240_NEG[Neg]
    BB1240_HOU[Target]
  end
 
  subgraph "House Battery Switch"
    HOUSE_SW_POS[S]
    HOUSE_SW_LOAD[L]
   end
 
  subgraph "Engine Battery Switch"
    ENG_SW_SOURCE[S]
    ENG_SW_LOAD[L]
  end
 
  subgraph "House Shunt"
    HOUSE_SHUNT_POS[S]
    HOUSE_SHUNT_NEG[L]
    HOUSE_SHUNT_MON[Tap]
  end
 
  subgraph "Starter Charge Fuse"
    STARTER_CHARGE_FUSE_SOURCE[S]
    STARTER_CHARGE_FUSE(70 A)
    STARTER_CHARGE_FUSE_LOAD[L]
  end
 
  ALWAYS_ON_DIST[Always On Distribution]
  BSA_STUD[BlueSea Ancillary]
  WLS_SW_POS([Windlass Switch +])
   IGNITION([Ignition Switch])
 
end
end


subgraph "Starter Battery"
 
   SB_POS[+];
%% ============================================================
  SB_NEG[-];
%% STARBOARD - MAINS CHARGER
%% ============================================================
 
subgraph "Starboard - Mains Charger"
 
   subgraph "BC1240 - Mains Charger"
    MAINS_CHG_ENG[Starter Output]
    MAINS_CHG_HOU[Unused House Output]
    MAINS_CHG_NEG[-]
  end
 
end
end
subgraph "House Battery Switch"
 
   HOU_SW_POS[S];
 
   HOU_SW_NEG[L];
%% ============================================================
%% STARBOARD - WIRING CLOSET
%% ============================================================
 
subgraph "Starboard - Wiring Closet / House Distribution"
 
  HOUSE_DIST_FUSE(Distribution Fuse 150 A)
  HOUSE_POS_BUS[House Positive Bus]
   HOUSE_NEG_BUS[House Negative Bus]
   BAT_NEG_BUS[Battery Negative Busbar]
  FRIDGE[Chillbox]
 
end
end
subgraph "Engine Battery Switch"
 
   ENG_SW_POS[S];
 
   ENG_SW_NEG[L];
%% ============================================================
%% ENGINE SPACE
%% ============================================================
 
subgraph "Engine Space"
 
   ALT_GEN_POS[Alternator +]
   GROUND[Engine Block]
  WINDLASS_NEG[Windlass -]
 
end
end
subgraph "Solar MPPT"
 
  SOL_POS[+];
 
  SOL_NEG[-];
%% ============================================================
end
%% SOLAR
subgraph "Mains Charger"
%% ============================================================
   MAINS_CHG_NEG[-];
 
  MAINS_CHG_HOU[House];
subgraph "Solar"
  MAINS_CHG_ENG[Starter];
   SOLAR_PANEL[100 Wp Panel]
end
end


subgraph "Sterling ProSplit-R"
  STERLING_STARTER[+];
  STERLING_HOUSE[+];
  STERLING_ALT[Alternator Feed];
  STERLING_NEG[-];
  STERLING_ON[Ignition Feed];
  STERLING_ALT --> STERLING_STARTER & STERLING_HOUSE;
end


subgraph "Engine Panel"
%% ============================================================
  IGNITION([Ignition Switch]);
%% POSITIVE POWER CONNECTIONS
end
%% 0 through 17
%% ============================================================
 
HOUSE_LBUS_POS == 25 mm2 ==> HOUSE_BAT_POS
HOUSE_LBUS_POS --- CERBO_POS
SOLAR_OUT_POS --- HOUSE_LBUS_POS
 
STARTER_CHARGE_FUSE_SOURCE == 35 mm2 ==> BB1240_STARTER
BB1240_HOU == 35 mm2 ==> HOUSE_CHARGE_FUSE
HOUSE_CHARGE_FUSE == 35 mm2 ==> HOUSE_LBUS_POS
 
STARTER_BAT_POS == 25 mm2 ==> ENG_SW_SOURCE
ALT_GEN_POS == 16 mm2 ==> STARTER_CHARGE_FUSE_SOURCE
STARTER_CHARGE_FUSE_LOAD --- STARTER_BAT_POS
MAINS_CHG_ENG --- STARTER_CHARGE_FUSE_SOURCE
 
HOUSE_LBUS_POS ==== HOUSE_DIST_FUSE
HOUSE_DIST_FUSE --- HOUSE_SW_POS
HOUSE_SW_POS --- ALWAYS_ON_DIST
HOUSE_SW_LOAD === HOUSE_POS_BUS
HOUSE_SW_LOAD === BSA_STUD
 
ENG_SW_LOAD --- IGNITION
ENG_SW_LOAD --- WLS_SW_POS
 
SOLAR_PANEL --- SOLAR_IN_POS
 
 
%% ============================================================
%% NEGATIVE POWER CONNECTIONS
%% 18 through 30
%% ============================================================
 
HOUSE_LBUS_NEG == 16 mm2 === HOUSE_BAT_NEG
HOUSE_LBUS_NEG --- CERBO_NEG
SOLAR_OUT_NEG --- HOUSE_LBUS_NEG
 
HOUSE_LBUS_NEG === STARTER_BAT_NEG
STARTER_BAT_NEG === HOUSE_SHUNT_POS
HOUSE_SHUNT_NEG === BAT_NEG_BUS
BAT_NEG_BUS === HOUSE_NEG_BUS
 
BB1240_NEG == 35 mm2 === STARTER_BAT_NEG
MAINS_CHG_NEG === BAT_NEG_BUS
 
STARTER_BAT_NEG ==== GROUND
WINDLASS_NEG --- STARTER_BAT_NEG
FRIDGE --- BAT_NEG_BUS
 
SOLAR_PANEL --- SOLAR_IN_NEG
 
 
%% ============================================================
%% INTERNAL / DEVICE CONNECTIONS
%% ============================================================
 
HOUSE_SHUNT_POS --- HOUSE_SHUNT_NEG
HOUSE_SHUNT_POS --- HOUSE_SHUNT_MON
HOUSE_SHUNT_MON --- HOUSE_SHUNT_NEG
 
STARTER_CHARGE_FUSE_SOURCE --- STARTER_CHARGE_FUSE
STARTER_CHARGE_FUSE --- STARTER_CHARGE_FUSE_LOAD
 


subgraph "Alternator"
%% ============================================================
  ALT_GEN_POS[+];
%% NODE STYLING
end
%% ============================================================
subgraph "House Shunt"
  HOU_SHUNT_POS[S]
  HOU_SHUNT_NEG[L]
  HOU_SHUNT_MON[Tap]
  HOU_SHUNT_POS --> HOU_SHUNT_NEG;
  HOU_SHUNT_POS --- HOU_SHUNT_MON --- HOU_SHUNT_NEG;
end


classDef positive stroke:#f00,stroke-width:2px
classDef negative stroke:#000,stroke-width:2px
classDef fuse stroke:#00f,fill:#dff0d8
classDef bus fill:#f8f8f8,stroke:#666


BAT_NEG_BUS[Battery Negative Busbar];
class HOUSE_BAT_POS,STARTER_BAT_POS positive
BSA_STUD[BlueSea Ancillary]
class HOUSE_LBUS_POS,CERBO_POS positive
HOU_POS_BUS[House Positive Bus]
class HOUSE_SW_POS,HOUSE_SW_LOAD positive
HOU_NEG_BUS[House Negative Bus];
class ENG_SW_SOURCE,ENG_SW_LOAD positive
HOU_DIST_FUSE(Distribution Fuse 150A)
class ALT_GEN_POS positive
HOU_CHARGE_FUSE(Charge Fuse 70A)
class MAINS_CHG_ENG,MAINS_CHG_HOU positive
STARTER_CHARGE_FUSE(Charge Fuse 70A)
class BB1240_STARTER,BB1240_HOU positive
SOLAR_CHARGE_FUSE(Charge Fuse 5A)
class SOLAR_IN_POS,SOLAR_OUT_POS positive
GROUND[Engine Block];
class STARTER_CHARGE_FUSE_SOURCE,STARTER_CHARGE_FUSE_LOAD positive
WLS_SW_POS([Windlass Switch]);
class WLS_SW_POS,IGNITION positive
ALWAYS_ON_DIST[Always On Bus];
class ALWAYS_ON_DIST,BSA_STUD,HOUSE_POS_BUS positive


HB1_POS === HB2_POS;
class HOUSE_BAT_NEG,STARTER_BAT_NEG negative
HB1_NEG === HB2_NEG;
class HOUSE_LBUS_NEG,CERBO_NEG negative
SOL_POS --- SOLAR_CHARGE_FUSE --> HB2_POS;
class MAINS_CHG_NEG,BB1240_NEG negative
SOL_NEG --- HB2_NEG;
class SOLAR_IN_NEG,SOLAR_OUT_NEG negative
HB1_POS ==== HOU_DIST_FUSE;
class BAT_NEG_BUS,HOUSE_NEG_BUS,GROUND,WINDLASS_NEG negative
HB1_NEG === SB_NEG;


HOU_SW_POS --- ALWAYS_ON_DIST;
class HOUSE_DIST_FUSE,HOUSE_CHARGE_FUSE,STARTER_CHARGE_FUSE fuse
STERLING_HOUSE ==> HOU_CHARGE_FUSE;
class HOUSE_LBUS_POS,HOUSE_LBUS_NEG,HOUSE_POS_BUS,HOUSE_NEG_BUS,BAT_NEG_BUS bus
STERLING_STARTER ==> STARTER_CHARGE_FUSE;
FRIDGE[Chillbox] --- BAT_NEG_BUS;
STARTER_CHARGE_FUSE --> SB_POS;
HOU_CHARGE_FUSE --> HB1_POS;
SB_POS --- ENG_SW_POS;
SB_NEG === HOU_SHUNT_POS ;
ENG_SW_NEG --- IGNITION;
ENG_SW_NEG --- WLS_SW_POS;
ALT_GEN_POS === STERLING_ALT;
STERLING_NEG --- SB_NEG;
BAT_NEG_BUS ==== HOU_NEG_BUS;
MAINS_CHG_NEG === BAT_NEG_BUS;
HOU_SW_NEG === HOU_POS_BUS;
HOU_DIST_FUSE --- HOU_SW_POS;
HOU_SW_NEG === BSA_STUD;
HOU_SHUNT_NEG === BAT_NEG_BUS;
SB_NEG ==== GROUND;
MAINS_CHG_HOU --> HOU_CHARGE_FUSE;
MAINS_CHG_ENG --> STARTER_CHARGE_FUSE;


classDef pos stroke:#f00
classDef fuse stroke:#00f,fill:#5c5;
class HB1_POS,HB2_POS,HOU_DIST_FUSE_POS,HOU_SHUNT_POS,SOL_POS,WLS_SW_POS,ENG_SW_POS,HOU_SW_POS pos;
class ENG_CHG_FUSE_POS,STERLING_STARTER,STERLING_HOUSE,IGNITION pos;
class MAINS_CHG_HOU,MAINS_CHG_ENG,SB_POS,ALT_GEN_POS pos;
class HOU_DIST_FUSE,HOU_CHARGE_FUSE,STARTER_CHARGE_FUSE,SOLAR_CHARGE_FUSE fuse;


|
%% ============================================================
config.theme = neutral
%% EDGE STYLING
%% ============================================================


%% Positive edges: 0 through 17
linkStyle 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 stroke:#f00,stroke-width:2px


%% Negative edges: 18 through 30
linkStyle 18,19,20,21,22,23,24,25,26,27,28,29,30 stroke:#000,stroke-width:2px
}}
}}


=== House wiring in battery area===
To-do: Replace direct-to-terminal with distribution bus bars. Starter negative terminal has more than 4 cables attached.
This distribution setup is used for power distribution in the saloon; it's in the same physical area as the batteries. Fuses are automotive blade.
 
=== Blue Sea Ancillary===
This distribution setup is used for power distribution in the saloon; it's in the same physical area as the batteries. Distributor is a Blue Sea Systems ST compact 8-circuit (5046) with 10-32 stud, and 8-32 screw terminals.


{{#mermaid:graph LR;
{{#mermaid:graph LR;
Line 264: Line 415:


The relay is the same as the one for the engine starter, 12V 40A SPST with 30/85/86/87 terminals, normally open.
The relay is the same as the one for the engine starter, 12V 40A SPST with 30/85/86/87 terminals, normally open.
[[Category:Blue Opal]]

Latest revision as of 16:13, 28 August 2026

Battery banks

House bank - 1x 180Ah LiFePo4. Titan. 2024.

Starter - 1x 80 Ah SLA. Effective 40 Ah.

Alternator

BV PSH 80A, Hitachi saddle mount. Sourced from Myles Balfe. V-belt sheave.

Part number is 985.001.080.200.

Terminal and driver sizes

Area Item Fixing Driver Stud
Battery Shunt Terminal 10mm 8mm
House Terminal 14mm 10mm
Starter Terminal 13/14mm 10mm
Blue Sea Fused Bus Terminal 10mm 5mm
MIDI fuses Terminal 10mm 8mm
Negative bus Terminal 14mm 8mm

Core power distribution and charging

This diagram is for the wiring in the starter and house battery bank compartments.

Charge and Distribution fuses are MIDI style with spare, Blue Sea 7720.

Solar charger fuse is inline automotive, 5A to the local house bus positive.

Solar feed is via a Bulgin Buccaneer connector that terminates to Anderson PowerPole, and solar panel has MC4 <-> MC4 <-> APP.

2026-08: Update needed - Solar is MPPT 75/15, connected to bus bars that connect to the lithium house. Bus bar connects to battery +ve, to charge line from DC-DC, and feeds MPPT and Cerbo GX. Negative bus connects to starter negative, house negative, MPPT and Cerbo negative. Renogy replaced with 100W folding panel from Amazon. Feed line for solar in cockpit using Bulgin Buccaneer 10-250V, fed via ferruled wires to MPPT.

To-do: Replace direct-to-terminal with distribution bus bars. Starter negative terminal has more than 4 cables attached.

Blue Sea Ancillary

This distribution setup is used for power distribution in the saloon; it's in the same physical area as the batteries. Distributor is a Blue Sea Systems ST compact 8-circuit (5046) with 10-32 stud, and 8-32 screw terminals.

Always on distribution

This powers low draw devices that should be powered without the house switch being engaged. Basically, lights. Located in the wiring cabinet above and behind the chart table. Wired to supply side so it's always got power, bar the local fuse blowing.

Water pump

Wired via a relay so that the switch by the chart table just activates the relay, and the pump gets power from 6mm2 direct from the battery compartment.


The relay is the same as the one for the engine starter, 12V 40A SPST with 30/85/86/87 terminals, normally open.

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